1. On the Visualforce page, how many field dependencies are used?

Ans:- 10 field dependencies

2. Can two users have the same profile in Salesforce?

Ans:-Yes

3. Which field cannot be added as a custom index?

Ans:-Formula field

4. Can we edit a formula field value in a record?

Ans:-No

5. Can we use sharing rules to restrict data access?

Ans:-No

6.Characteristics and functions of a Roll-up Summary field.

Characteristics of a roll-up summary field:

  1. It can be created for a Master-Detail relationship but not for a Lookup relationship.
  2. Auto numbers are not available here.
  3. We cannot change the field type in a roll-up summary field.
  4. It derives data from the Child object.

Functions of the roll-up summary field:

  • Count
  • Sum
  • Min
  • Max